Home / 16,720.95-25,092.29-7,242.52

Finding the Fourth Proportional to 16,720.95, 25,092.29 and 7,242.52

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Solution

The fourth proportional to 16,720.95, 25,092.29 and 7,242.52 is: 10,868.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.95 : 25,092.29 = 7,242.52 : x
  2. Step 2: Convert to fraction form
    16,720.95/25,092.29 = 7,242.52/x
  3. Step 3: Cross multiply
    16,720.95x = 25,092.29 × 7,242.52
  4. Step 4: Simplify right side
    16,720.95x = 181,731,412.17
  5. Step 5: Solve for x
    x = 181,731,412.17/16,720.95
  6. Step 6: Final answer
    x = 10,868.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.